Marian Hillar

During the last decades evolutionary science has made significance progress in the elucidation of the process of human evolution and especially of human behavioral characteristics. These themes were traditionally subjects of inquiry in philosophy and theology. Already Darwin suggested an evolutionary and biological basis for moral sense or conscience, and answered Kant’s question about the origin of the moral rules postulated by philosophers. This article reviews the current status of such investigations by natural scientists, biologists and psychologists, and compares their models for explanation of human moral behavior with those postulated by philosophers. Today natural scientists postulate cooperation as the third element of evolutionary process after mutations and natural selection. They seem to fully confirm the intuition of philosophers. The thesis on the fundamental status of cooperation in the entire animal world leads to a belief concerning dialogue: dialogue, rooted in a sense in cooperation, is a primary men’s capability, being emerged from the biological essence of humans. Thus the examination of cooperation reveals inter alia biological foundations of dialogue